export function delay(this: any, ms: number, ms2: number) {
  console.log('this.name', this.name)
  return new Promise(function (resolve) {
    setTimeout(function () {
      resolve(Math.random())
    }, ms + ms2);
  })
}

export function readFile(filename: string,callback: any){
  setTimeout(()=>{
    callback(null,filename)
  },1000)
}
